1. Department of Paediatrics, Queen Elizabeth Hospital, Hong Kong SAR, China
2. Department of Paediatrics and Adolescent Medicine, Queen Mary Hospital, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
3. Department of Paediatrics and Adolescent Medicine, Pamela Youde Nethersole Eastern Hospital, Hong Kong SAR, China
4. Department of Paediatrics and Adolescent Medicine, Kwong Wah Hospital, Hong Kong SAR, China
5. Department of Paediatrics and Adolescent Medicine, Tuen Mun Hospital, Hong Kong SAR, China
6. Department of Paediatrics and Adolescent Medicine, United Christian Hospital, Hong Kong SAR, China
7. Department of Paediatrics and Adolescent Medicine, Alice Ho Miu Ling Nethersole Hospital, Hong Kong SAR, China
8. Department of Paediatrics, Caritas Medical Centre, Hong Kong SAR, China
9. Department of Paediatrics, Tseung Kwan O Hospital, Hong Kong SAR, China
10. Department of Paediatrics and Adolescent Medicine, Princess Margaret Hospital, Hong Kong SAR, China
11. Department of Paediatrics, Hong Kong Children’s Hospital, Hong Kong SAR, China
12. Department of Paediatrics, Prince of Wales Hospital, Hong Kong SAR, China